Purpose
gv$sql_workarea_histogram displays the cumulative execution statistics of all workareas, such as the total number of fully in-memory executions consumed 1 MB to 2 MB of memory and the number of executions in one pass mode.
Fields
| Field | Type | Nullable? | Description |
|---|---|---|---|
| low_optimal_size | bigint(20) | NO | The minimum memory for the workarea in optimal mode. |
| high_optimal_size | bigint(20) | NO | The maximum memory for the workarea in optimal mode. |
| optimal_executions | bigint(20) | NO | The number of executions in optimal mode in the workarea with a memory size between values of LOW_OPTIMAL_SIZE and HIGH_OPTIMAL_SIZE. |
| onepass_executions | bigint(20) | NO | The number of executions in one pass mode in the workarea with a memory size between values of LOW_OPTIMAL_SIZE and HIGH_OPTIMAL_SIZE. |
| multipasses_executions | bigint(20) | NO | The number of executions in multipasses mode in the workarea with a memory size between values of LOW_OPTIMAL_SIZE and HIGH_OPTIMAL_SIZE. |
| total_executions | bigint(20) | NO | The total number of executions in the workarea. |
| con_id | bigint(20) | NO | The ID of the tenant. |